Vertical orientation of the digital herbarium specimen: the image represents the same specimen and image, but in a different orientation with contorted shapes. We removed all images with the vertical orientation of herbarium specimens because the images were potentially contorted by the resize process while downloading.
	Part of: Kommineni VK, Tautenhahn S, Baddam P, Gaikwad J, Wieczorek B, Triki A, Kattge J (2021) Comprehensive leaf size traits dataset for seven plant species from digitised herbarium specimen images covering more than two centuries . Biodiversity Data Journal 9: e69806. https://doi.org/10.3897/BDJ.9.e69806